From 688a2d8145364eb8ec0bec3169008d7b05a16ed7 Mon Sep 17 00:00:00 2001
From: lcw <ez_lcw@foxmail.com>
Date: Sat, 10 Feb 2024 23:59:38 +0800
Subject: [PATCH] fix a bug

---
 processor/logic/GameBoard.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/processor/logic/GameBoard.cpp b/processor/logic/GameBoard.cpp
index ad2c7f2..514e130 100644
--- a/processor/logic/GameBoard.cpp
+++ b/processor/logic/GameBoard.cpp
@@ -80,7 +80,8 @@ void GameBoard::turnUpdate() {
 				tile.unit += 1;
 
 			if (tile.type == TileType::Swamp) {
-				tile.unit -= 1;
+				if (tile.unit > 0) 
+					tile.unit -= 1;
 				if (tile.unit == 0)
 					tile.owner = neutral_player;
 			}